Re: added complexity, I was referring to analytics solutions like Google analytics: it adds a ton of sophisticated tracking stuff, but is ultimately a server (w

Re: added complexity, I was referring to analytics solutions like Google analytics: it adds a ton of sophisticated tracking stuff, but is ultimately a server (well, more like several thousand) somewhere with logs registering visits, not so fundamentally different from your script. I also do a very similar thing (also in Ruby!). Apologies for the lack of clarity, English can be so ambiguous.